Depending how you wish to help:
- apply for a position: Appropedia:Volunteer positions
- or help with specific one-off tasks:
- Appropedia:Site development/priorities
- Converting PDFs - if you have access to Adobe Acrobat Reader, this would be extremely helpful: Appropedia:Porting#PDF docs
- Converting open licensed content to the wiki: Appropedia:Porting/Websites
- just share your knowledge on the site
- help us promote the website
- help us find funding